BUG at fs/jfs/jfs_txnmgr.c:662 assert(last)
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kernel BUG at fs/jfs/jfs_txnmgr.c:662!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 16758 Comm: syz.4.1365 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:txLock+0x1b92/0x1cc0
Code: e9 6a f8 ff ff e8 4e d7 66 fe 48 c7 c7 60 63 0b 8c 48 c7 c6 59 5f 0b 8c ba 96 02 00 00 48 c7 c1 80 64 0b 8c e8 df f1 c8 fd 90 <0f> 0b e8 27 d7 66 fe 48 c7 c7 40 65 0b 8c e8 cb f1 c8 fd 48 c7 c7
RSP: 0018:ffffc90006a67540 EFLAGS: 00010246
RAX: 000000000000002b RBX: 0000000000000000 RCX: be28c761f235c600
RDX: ffffc90008f23000 RSI: 00000000000038dd RDI: 00000000000038de
RBP: ffffc90006a67678 R08: ffff8881210247d3 R09: 1ffff110242048fa
R10: dffffc0000000000 R11: ffffed10242048fb R12: 1ffff9200059d400
R13: ffffc90002cea000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f03b07a06c0(0000) GS:ffff88818de60000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f03a5601fd2 CR3: 000000011bad6000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 dtSplitRoot+0x36f/0x16c0
 dtInsert+0xf19/0x5f10
 jfs_mkdir+0x783/0xb00
 vfs_mkdir+0x413/0x630
 filename_mkdirat+0x285/0x510
 __se_sys_mkdirat+0x35/0x150
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f03af99b607
Code: 00 66 90 48 89 f2 b9 00 01 00 00 48 89 fe bf 9c ff ff ff e9 db f7 ff ff 66 2e 0f 1f 84 00 00 00 00 00 90 b8 02 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f03b079fe58 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007f03b079fee0 RCX: 00007f03af99b607
RDX: 00000000000001ff RSI: 0000200000001040 RDI: 00000000ffffff9c
RBP: 0000200000000040 R08: 00002000000007c0 R09: 0000000000000000
R10: 0000200000000040 R11: 0000000000000246 R12: 0000200000001040
R13: 00007f03b079fea0 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:txLock+0x1b92/0x1cc0
Code: e9 6a f8 ff ff e8 4e d7 66 fe 48 c7 c7 60 63 0b 8c 48 c7 c6 59 5f 0b 8c ba 96 02 00 00 48 c7 c1 80 64 0b 8c e8 df f1 c8 fd 90 <0f> 0b e8 27 d7 66 fe 48 c7 c7 40 65 0b 8c e8 cb f1 c8 fd 48 c7 c7
RSP: 0018:ffffc90006a67540 EFLAGS: 00010246
RAX: 000000000000002b RBX: 0000000000000000 RCX: be28c761f235c600
RDX: ffffc90008f23000 RSI: 00000000000038dd RDI: 00000000000038de
RBP: ffffc90006a67678 R08: ffff8881210247d3 R09: 1ffff110242048fa
R10: dffffc0000000000 R11: ffffed10242048fb R12: 1ffff9200059d400
R13: ffffc90002cea000 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f03b07a06c0(0000) GS:ffff88818de60000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd9d6d9038 CR3: 000000011bad6000 CR4: 00000000000006f0
